Least Common Multiple (LCM) of 103 and 129
The least common multiple (LCM) of 103 and 129 is 13287.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 103 and 129?
First, calculate the GCD of 103 and 129 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 103 ÷ 129 = 0 remainder 103 |
| 2 | 129 ÷ 103 = 1 remainder 26 |
| 3 | 103 ÷ 26 = 3 remainder 25 |
| 4 | 26 ÷ 25 = 1 remainder 1 |
| 5 | 25 ÷ 1 = 25 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 130 and 114 | 7410 |
| 21 and 114 | 798 |
| 69 and 134 | 9246 |
| 160 and 155 | 4960 |
| 47 and 89 | 4183 |